Transaction not yet indexed

SMu9ZQtb2SPqzRf7aq5LvU2vjCQiL1XGJ2cSUcTqwe2FN2yYVJk3HgpiTGJYywwbppXRevbgRsmiUX897gJ8oRL

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.